What “Waves” In A Lightwave?

In this column, we have introduced experiments you can do with youngsters to help them understand a variety of light phenomena. Many of these articles have dealt with the characteristics and behavior of light, such as reflection, scattering, and color. A much more difficult question, in my opinion, is the very basic: What is light? In observing light phenomena with children, there are a lot of ways we can observe what light does. But to know what light is seems more difficult. I am not speaking so much of the wave/ particle quality, as of the simple idea of an electro-magnetic wave, and the concept of the existence of electric and magnetic fields.

Access to the full text of this article is restricted. In order to view this article please log in.

Add a Comment